Ohio Firefighter Certification Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the primary purpose of a fire department's Incident Command
System (ICS)?
A. To increase public awareness
B. To manage fireground resources effectively
C. To reduce firefighter wages
D. To enforce fire codes
B. To manage fireground resources effectively
ICS provides a standardized, on-scene structure for managing personnel,
equipment, and operations during incidents.
2. Which type of fire extinguisher is best for electrical fires?
A. Water
B. Foam
, C. CO2
D. Wet chemical
C. CO2
CO2 extinguishers remove oxygen and are non-conductive, making them
safe for electrical fires.
3. Which class of fire involves flammable liquids such as gasoline?
A. Class A
B. Class B
C. Class C
D. Class D
B. Class B
Class B fires involve flammable liquids and gases.
4. The main function of personal protective equipment (PPE) is to:
A. Reduce training requirements
B. Protect firefighters from injury and heat
C. Increase response time
D. Replace fire hoses
B. Protect firefighters from injury and heat
PPE, including helmets, gloves, and turnout gear, shields firefighters from
heat, flames, and hazardous materials.
5. What is the first priority at any fire scene?
A. Salvage property
, B. Extinguish the fire
C. Protect life
D. Investigate the cause
C. Protect life
Life safety is always the highest priority in firefighting operations.
6. In fire behavior, “flashover” refers to:
A. The initial ignition of a small fire
B. Sudden ignition of all combustible materials in a space
C. Fire spreading through electrical wiring
D. Smoke production without flames
B. Sudden ignition of all combustible materials in a space
Flashover occurs when a room reaches a temperature where all surfaces
ignite nearly simultaneously.
7. Which gas is most commonly monitored for by firefighters due to its
colorless, odorless nature?
A. Carbon monoxide
B. Hydrogen
C. Methane
D. Oxygen
A. Carbon monoxide
CO is highly toxic, colorless, and odorless, making it a major hazard in fire
scenes.
, 8. When performing search and rescue, firefighters should:
A. Work alone for speed
B. Follow a systematic pattern and work in teams
C. Only check near entrances
D. Wait for fire suppression to complete
B. Follow a systematic pattern and work in teams
Team-based systematic searches increase efficiency and firefighter safety.
9. The term "backdraft" describes:
A. A fire extinguished by water
B. An explosive ignition caused by sudden oxygen introduction into a
confined fire
C. Smoke moving backwards through a vent
D. Fire spreading uphill
B. An explosive ignition caused by sudden oxygen introduction into a
confined fire
Backdraft occurs when a confined fire has consumed most oxygen and a
door or window is suddenly opened.
10. Which tool is commonly used for forcible entry?
A. Pike pole
B. Halligan bar
C. SCBA
D. Thermal imaging camera
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the primary purpose of a fire department's Incident Command
System (ICS)?
A. To increase public awareness
B. To manage fireground resources effectively
C. To reduce firefighter wages
D. To enforce fire codes
B. To manage fireground resources effectively
ICS provides a standardized, on-scene structure for managing personnel,
equipment, and operations during incidents.
2. Which type of fire extinguisher is best for electrical fires?
A. Water
B. Foam
, C. CO2
D. Wet chemical
C. CO2
CO2 extinguishers remove oxygen and are non-conductive, making them
safe for electrical fires.
3. Which class of fire involves flammable liquids such as gasoline?
A. Class A
B. Class B
C. Class C
D. Class D
B. Class B
Class B fires involve flammable liquids and gases.
4. The main function of personal protective equipment (PPE) is to:
A. Reduce training requirements
B. Protect firefighters from injury and heat
C. Increase response time
D. Replace fire hoses
B. Protect firefighters from injury and heat
PPE, including helmets, gloves, and turnout gear, shields firefighters from
heat, flames, and hazardous materials.
5. What is the first priority at any fire scene?
A. Salvage property
, B. Extinguish the fire
C. Protect life
D. Investigate the cause
C. Protect life
Life safety is always the highest priority in firefighting operations.
6. In fire behavior, “flashover” refers to:
A. The initial ignition of a small fire
B. Sudden ignition of all combustible materials in a space
C. Fire spreading through electrical wiring
D. Smoke production without flames
B. Sudden ignition of all combustible materials in a space
Flashover occurs when a room reaches a temperature where all surfaces
ignite nearly simultaneously.
7. Which gas is most commonly monitored for by firefighters due to its
colorless, odorless nature?
A. Carbon monoxide
B. Hydrogen
C. Methane
D. Oxygen
A. Carbon monoxide
CO is highly toxic, colorless, and odorless, making it a major hazard in fire
scenes.
, 8. When performing search and rescue, firefighters should:
A. Work alone for speed
B. Follow a systematic pattern and work in teams
C. Only check near entrances
D. Wait for fire suppression to complete
B. Follow a systematic pattern and work in teams
Team-based systematic searches increase efficiency and firefighter safety.
9. The term "backdraft" describes:
A. A fire extinguished by water
B. An explosive ignition caused by sudden oxygen introduction into a
confined fire
C. Smoke moving backwards through a vent
D. Fire spreading uphill
B. An explosive ignition caused by sudden oxygen introduction into a
confined fire
Backdraft occurs when a confined fire has consumed most oxygen and a
door or window is suddenly opened.
10. Which tool is commonly used for forcible entry?
A. Pike pole
B. Halligan bar
C. SCBA
D. Thermal imaging camera
